1. HTB2 user manual version 2.0;Alexander,1994
2. Standards for determining “view obstruction”;ARC,2007
3. Human oblique saccades: quantitative analysis of the relation between horizontal and vertical components;Becker;Vision Research,1990
4. Pricing residential amenities: the value of a view;Benson;Journal of Real Estate Finance and Economics,1998
5. Prediction of scenic beauty using mapped data and geographic information systems;Bishop;Landscape and Urban Planning,1994